html {
  font-size: 10px;
}

body {
  background-color: #111;
  background-image: radial-gradient(#333, #111);
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #fff;
  text-align: center;
  width: 100vw;
  font-weight: bold;
  overflow: hidden;
}

#fly-in {
  font-size: 3.4rem;
  margin: 40vh auto;
  height: 20vh;
  text-transform: uppercase;
}

#fly-in span {
  display: block;
  font-size: 1.4rem;
  opacity: 0.8;
}

#fly-in div {
  position: fixed;
  margin: 2vh 0;
  opacity: 0;
  left: 10vw;
  width: 80vw;
  margin: auto;
  animation: switch-revert 8s linear infinite;
}

#fly-in div:nth-child(2) {
  animation-delay: 4s;
}

#fly-in div:nth-child(3) {
  animation-delay: 8s;
}

@keyframes switch-revert {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: scale(.1);
  }

  5% {
    opacity: 1;
    filter: blur(0);
    transform: scale(.9);
    letter-spacing: 0px
  }

  40% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
    letter-spacing: 1px;
  }

  50% {
    opacity: 0;
    filter: blur(20px);
    transform: scale(12);
    letter-spacing: 2px;
  }

  100% {
    opacity: 0;
  }
}